| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00016222 |
| Type Status | Syntype, Isolectotype |
| Collector | B. F. Bush |
| Country | United States of America |
| State | Missouri |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Missouri: Ripley County: Pleasant Grove |
| Date Collected | 1901-05-07 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a14b4425-b8bd-4527-af25-0a34e6729200 |
| Harvard University Herbaria Barcode | 00016222 |
| Herbarium | A |
| Family | Rosaceae |
| Type Status | Syntype |
| Syntype of | Crataegus sordida Sargent |
| Verified by | D. E. Boufford |
| Date Determined | 1985 |
| Taxon Reference | (for Crataegus sordida Sargent) Bot. Gaz. 1902. 33: 114. |
| Family | Rosaceae |
| Type Status | Isolectotype |
| Isolectotype of | Crataegus sordida Sargent |
| Verified by | J. B. Phipps (UWO) & G. Yatskievych (MO) |
| Date Determined | 2003 |
| Taxon Reference | (for Crataegus sordida Sargent) Bot. Gaz. 1902. 33: 114. |
| Family | Rosaceae |
| Determination | Crataegus collina var. sordida (Sargent) Eggleston |
| Determined by | J. B. Phipps (UWO) & G. Yatskievych (MO) |
| Date Determined | 2003 |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |